[time-nuts] New algorithm, better ADEV

Magnus Danielson magnus at rubidium.dyndns.org
Thu Jan 15 13:59:10 EST 2015


On 01/14/2015 10:58 PM, John Miles wrote:
>> Just now, I changed the way to calculate frequency and get a better
>> ADEV chart.
>> http://www.qsl.net/b/bi7lnq/freqcntv4/test/20150114/0114.gif
> Looking good!  Nice example of a white PM noise floor, just like a 'real' HP counter.   Let it run for a few days and see how the environmental sensitivity looks.

Indeed. Just recall that this is not all *real* white PM noise, it just 
behaves like it.

>> BTW: I've put the counter into a box.
>> http://www.qsl.net/b/bi7lnq/freqcntv4/pic/20150114_212857.jpg
>> more pictures: http://www.qsl.net/b/bi7lnq/freqcntv4/pic/
> Those small SPI LCDs are really neat, especially for the price.  I just used one the other day to replace a 1" CRT in a receiver panadaptor.

Sure looks good!

Which display is it?


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